Patent Model - Composition for Insulating Telegraph-Wires, Coating Metals, Covering Roofs, and for other purposes

Maker and role
Edgar Everhart (b.1854, d.1932), Patentee
Production date
May 11 1880
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Object detail

Asphalt and resin compound
17 x 10 1/2 x 1 3/4" (43.2 x 26.7 x 4.4cm)
Everhart's patent was intended to "form a non-conducting surface, and for the purpose of preventing iron and other metals from rusting, and of forming an impenetrable and indestructible coating for roofs, pipes, &c., as well as for the purpose of preserving wood, paper, duck, muslin, and other textile fabrics from decay and mildew and influence of the atmosphere and moisture..." (Patent Number 227,352)
Object number
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